... piercing, forming , drawing,stamping, welding,machining, assembly, surface coating and packing and so on. Equipment: We equipped with ... , construction, mining, engineering machinery, hardware and tools, piping systems, decoration and food machinery ect Capacity: Machinable 0.1 ... Φ4 ~Φ30 various bar; after the aluminum die casting and machining Surface: Sand blaster, zinc coating, hot-dip galvanizing ...